Skewer



FIG. 1 is a perspective view of a skewer;

FIG. 2 is a front plan view of a skewer;

FIG. 3 is a back plan view of a skewer;

FIG. 4 is a left plan view of a skewer;

FIG. 5 is a right plan view of a skewer;

FIG. 6 is top plan view of a skewer; and,

FIG. 7 is a bottom plan view of a skewer.

Features shown in broken lines in the drawings are not part of the claim. 

We claim the ornamental design for a skewer, as shown and described. 